Discover more about the egg-laying monotremes of Oceania and the ancient traits they still carry.

A large international study reveals that mammals tend to live longer when reproduction is suppressed. On average, lifespan ...

Platypuses are so weird scientists sliced them open because they thought they were fake. But why? Male platypus have ven ...

Monotremes are unique mammals that lay eggs, but their limited geographic ranges make them vulnerable. We explain why.